EP0432367A1 - Dispositif pour calculer le tarif avec un circuit d'interface bidirectionnel fiable - Google Patents

Dispositif pour calculer le tarif avec un circuit d'interface bidirectionnel fiable Download PDF

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Publication number
EP0432367A1
EP0432367A1 EP90116348A EP90116348A EP0432367A1 EP 0432367 A1 EP0432367 A1 EP 0432367A1 EP 90116348 A EP90116348 A EP 90116348A EP 90116348 A EP90116348 A EP 90116348A EP 0432367 A1 EP0432367 A1 EP 0432367A1
Authority
EP
European Patent Office
Prior art keywords
data
data transmission
tariff
memory area
memory
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP90116348A
Other languages
German (de)
English (en)
Other versions
EP0432367B1 (fr
Inventor
Horst Laumann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electrowatt Technology Innovation AG
Original Assignee
Landis and Gyr Betriebs AG
Landis and Gyr Bussiness Support AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Landis and Gyr Betriebs AG, Landis and Gyr Bussiness Support AG filed Critical Landis and Gyr Betriebs AG
Priority to AT90116348T priority Critical patent/ATE98023T1/de
Publication of EP0432367A1 publication Critical patent/EP0432367A1/fr
Application granted granted Critical
Publication of EP0432367B1 publication Critical patent/EP0432367B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/06—Energy or water supply
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/24—Memory cell safety or protection circuits, e.g. arrangements for preventing inadvertent reading or writing; Status cells; Test cells

Definitions

  • the invention relates to a tariff device mentioned in the preamble of claim 1.
  • a tariff device of the type mentioned in the preamble of claim 1 is known from the 1987 minutes of the Fifth International Conference on Metering Apparatus and Tariffs for Electricity Supply (ISBN 0 85296346 7 ISSN 0537-9989), pages 86 to 90.
  • This tariff device data stored in the data memory can be transmitted to a mobile reading device via an optical bidirectional interface and, conversely, data can be transmitted from the reading device to the tariff device.
  • the time and calendar are updated; but also parameters that serve to structure tariffs can be changed.
  • the invention has for its object to provide a tariff device with a bidirectional interface, which is easy to check and verifiable.
  • the invention consists in the features specified in the characterizing part of claim 1. Advantageous refinements result from the subclaims.
  • the parallel data port 2 is connected to a data memory 6 via a data bus 5.
  • the data memory 6 is composed of two memory blocks 6a and 6b, both of which are designed as read / write memories. Measured values and parameters which are important for offsetting the energy or power consumed are stored in the memory block 6a. In the memory block 6b parameters are of minor importance, such as. B. the time, the date, etc. stored.
  • a program memory for storing the operating program of the tariff device is integrated in the microcomputer 1.
  • the serial data port 3 is connected to a bidirectional optical interface 8 via two lines 7a and 7b.
  • This interface 8 is used for data transmission with a reading device, not shown here.
  • Line 7a transmits the data from microcomputer 1 to optical interface 8 and line 7b transmits the data in the reverse direction.
  • the line 7b is additionally connected to an input of a timing element 9.
  • An output of the timing element 9 is connected to a first input of a logic circuit 10.
  • the control output 4 of the microcomputer 1 is connected via a control line 11 to a second input of the logic circuit 10 and to a control input 12b of the memory block 6b.
  • the exit the logic circuit 10 is connected to a control input 12a of the memory block 6a.
  • the microcomputer 1 receives incremental pulses from an electricity meter, not shown here. These pulses are linked to parameters stored in the memory block 6a and summed up in the memory block 6a as energy and power values. The energy and power values can be displayed on a display unit, not shown. For billing purposes, this data is transmitted to the reading device via the optical interface 8 and passed on by the latter to a data processing system for billing.
  • a data transmission via the optical interface 8 is opened with a request telegram from the reading device to the microcomputer 1.
  • the request telegram causes the microcomputer 1 to fetch data stored in the data memory 6 via the data bus 5 and the parallel data port 2, to convert it into a serial data stream and to transmit it to the optical interface 8 via the serial data port 3 and the line 7a.
  • data can be transmitted from the reading device to the optical interface 8 and from there via the line 7b to the serial data port 3 of the microcomputer 1.
  • the microcomputer 1 converts the serial data into parallel data and passes it on to the data memory 6 via the parallel data port 2.
  • Data can be read or written from the data memory 6 if the corresponding address is present at the data memory 6 and the control input 12a or 12b receives the signal "read memory” or “write memory”, for example logic “1” for "read” and logic " 0 “for” describe "leads.
  • Line 7b is in the normal operating state of the tariff device, ie when there is no reading, in a stable state of, for example, logic "1".
  • line 7b changes its state from “1” to "0".
  • the timer 9 triggered and activated for the duration of a data transmission. Its output tilts from a state of, for example, "1" to a state "0".
  • the logic circuit 10 links the timing element 9 and the control line 11 in such a way that the memory block 6a is locked against writing during the data transmission.
  • the memory block 6a can therefore only be read during a data transmission with the reading device, while the memory block 6b can both be read and written to.
  • Pulses arriving from the electricity meter during a reading must be buffered. They can only be written into the memory block 6a after the reading has ended. The pulses can be buffered, for example, in a read / write memory integrated in the microcomputer 1.
  • a predetermined memory area, namely the memory block 6a, of the data memory 6 is therefore blocked against writing data.
  • the data stored in the memory block 6a are thus reliably protected against change.
  • the blocking circuit consisting of the timing element 9, the logic circuit 10 and the control line 11, which blocks the memory block 6a against the writing of data during the data transmission, is advantageously designed in such a way that H. arranged in a clear and accessible manner that their function can be checked in a simple manner during the calibration of the tariff device. This is in contrast to software in which a functional test is very complex.
  • the upper part of the diagram in FIG. 2 shows the input signal and the lower part shows the output signal of the timing element 9.
  • the input signal changes state only when a reading is taking place.
  • the timer 9 is triggered and thus the output signal for the time T 1 changes the state.
  • the time T1 is composed from the data transmission time T2 and a security time T3. After the time T1 the output of the timer 6 assumes the original state again.
  • the timer 6 can be designed so that the security time T3 is restarted with every edge change of the input signal.
  • FIG. 3 shows a variant of the circuit according to FIG. 1, the same reference numerals as in FIG. 1 indicating the same or equivalent parts.
  • the data memory 6 is designed as a single memory block and divided into two memory areas 6c and 6d. The measured values and parameters that are important for the calculation are stored in the memory area 6d. Parameters of minor importance are stored in the memory area 6c.
  • the output of the timing element 9 is connected to a first input of the logic circuit 10.
  • the control output 4 of the microcomputer 1 is connected via the control line 11 to a control input 13 of the data memory 6 and to a second input of the logic circuit 10.
  • An address port 14 of the microcomputer 1 is connected via an address bus 15 to an address port 16 of the data memory 6, the address line 17 which defines the memory area 6d being connected to a third input of the logic circuit 10.
  • the output of the logic circuit 10 is connected to the address input 18 that defines the memory area 6d.
  • the function of the tariff device according to FIG. 3 differs from the function of the tariff device according to FIG. 1 in that not an entire memory block 6a but only a memory area 6d is blocked against writing during data transmission, but permits reading.
  • the logic circuit 10 decodes the signal of the control line 11, the output of the timing element 9 and the address line 17.
  • the memory area 6d can be enlarged in that further logic circuits 10 are arranged, the further address lines with the control line 11 and the Link output of timer 9.
  • the circuit according to FIG. 3 enables a cost-effective solution in those cases where the amount of data stored has space in a data memory 6, which consists of a single component.

Landscapes

  • Business, Economics & Management (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Economics (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Human Resources & Organizations (AREA)
  • Marketing (AREA)
  • Primary Health Care (AREA)
  • Strategic Management (AREA)
  • Tourism & Hospitality (AREA)
  • Water Supply & Treatment (AREA)
  • General Business, Economics & Management (AREA)
  • Public Health (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Meter Arrangements (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Cable Accessories (AREA)
  • Circuits Of Receivers In General (AREA)
  • Beverage Vending Machines With Cups, And Gas Or Electricity Vending Machines (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Road Repair (AREA)
EP90116348A 1989-12-15 1990-08-27 Dispositif pour calculer le tarif avec un circuit d'interface bidirectionnel fiable Expired - Lifetime EP0432367B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90116348T ATE98023T1 (de) 1989-12-15 1990-08-27 Tarifgeraet mit sicherer bidirektionaler schnittstelle.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4514/89 1989-12-15
CH451489 1989-12-15

Publications (2)

Publication Number Publication Date
EP0432367A1 true EP0432367A1 (fr) 1991-06-19
EP0432367B1 EP0432367B1 (fr) 1993-12-01

Family

ID=4277515

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90116348A Expired - Lifetime EP0432367B1 (fr) 1989-12-15 1990-08-27 Dispositif pour calculer le tarif avec un circuit d'interface bidirectionnel fiable

Country Status (13)

Country Link
US (1) US5136514A (fr)
EP (1) EP0432367B1 (fr)
JP (1) JPH0654329B2 (fr)
AT (1) ATE98023T1 (fr)
AU (1) AU631692B2 (fr)
CA (1) CA2025249A1 (fr)
DE (1) DE59003693D1 (fr)
DK (1) DK0432367T3 (fr)
ES (1) ES2047221T3 (fr)
FI (1) FI906177A7 (fr)
IE (1) IE903807A1 (fr)
NO (1) NO905413L (fr)
PT (1) PT95981A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0528634A3 (en) * 1991-08-15 1993-06-30 Westinghouse Electric Corporation Energy monitoring system for a plurality of local stations with snapshot polling from a central station

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2835215B2 (ja) * 1991-07-25 1998-12-14 株式会社東芝 不揮発性半導体記憶装置
US5315531A (en) * 1991-08-15 1994-05-24 Westinghouse Electric Corp. Energy monitoring system for a plurality of local stations with snapshot polling from a central station
US5384712A (en) * 1991-08-15 1995-01-24 Eaton Corporation Energy monitoring system for a plurality of local stations with snapshot polling from a central station
JPH06194386A (ja) * 1992-12-24 1994-07-15 Canon Inc 系統連系装置
US5414994A (en) * 1994-02-15 1995-05-16 Ford Motor Company Method and apparatus to limit a midbed temperature of a catalytic converter
DE19747391C2 (de) * 1997-10-27 1999-12-30 Siemens Ag Verfahren zur Steuerung eines Elektrizitätszählers und Elektrizitätszähler
US6226600B1 (en) * 1998-08-03 2001-05-01 Rodenberg, Iii Ernest A. Programmable electricity consumption monitor
US6381009B1 (en) 1999-06-29 2002-04-30 Nanometrics Incorporated Elemental concentration measuring methods and instruments
US6889271B1 (en) * 1999-06-30 2005-05-03 General Electric Company Methods and apparatus for meter I/O board addressing and communication
US20040027253A1 (en) * 2002-08-12 2004-02-12 Marsh Douglas G. Automatic reading of a meter having a dial or numeric visual display
US7043380B2 (en) * 2003-09-16 2006-05-09 Rodenberg Iii Ernest Adolph Programmable electricity consumption monitoring system and method
CN100492027C (zh) * 2006-12-08 2009-05-27 北京中星微电子有限公司 一种用于电能计量芯片的实时采集存储装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2520915A1 (fr) * 1982-02-01 1983-08-05 Scheidt & Bachmann Gmbh Procede de transmission et de memorisation de donnees relatives a des installations
US4580039A (en) * 1982-01-28 1986-04-01 Kienzle Apparate Gmbh Circuit arrangement for the protection of data in volatile write-read memories (RAM)
GB2183852A (en) * 1985-11-27 1987-06-10 Triad Communications Inc Utility meter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1586771A (en) * 1976-10-22 1981-03-25 Plessey Co Ltd Taximeter
SE425123B (sv) * 1979-08-21 1982-08-30 Bjorn Gosta Erik Karlsson Anleggning for central och automatisk avlesning och registrering av abonnenters energiforbrukning
DE3119812A1 (de) * 1981-05-19 1982-12-16 Kienzle Apparate Gmbh, 7730 Villingen-Schwenningen Elektronischer taxameter
US4998203A (en) * 1985-03-12 1991-03-05 Digiulio Peter C Postage meter with a non-volatile memory security circuit
US4809185A (en) * 1986-09-02 1989-02-28 Pitney Bowes Inc. Secure metering device storage vault for a value printing system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4580039A (en) * 1982-01-28 1986-04-01 Kienzle Apparate Gmbh Circuit arrangement for the protection of data in volatile write-read memories (RAM)
FR2520915A1 (fr) * 1982-02-01 1983-08-05 Scheidt & Bachmann Gmbh Procede de transmission et de memorisation de donnees relatives a des installations
GB2183852A (en) * 1985-11-27 1987-06-10 Triad Communications Inc Utility meter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0528634A3 (en) * 1991-08-15 1993-06-30 Westinghouse Electric Corporation Energy monitoring system for a plurality of local stations with snapshot polling from a central station

Also Published As

Publication number Publication date
NO905413L (no) 1991-06-17
US5136514A (en) 1992-08-04
AU631692B2 (en) 1992-12-03
AU6567090A (en) 1991-06-20
ATE98023T1 (de) 1993-12-15
JPH03199977A (ja) 1991-08-30
CA2025249A1 (fr) 1991-06-16
FI906177L (fi) 1991-06-16
EP0432367B1 (fr) 1993-12-01
PT95981A (pt) 1992-08-31
IE903807A1 (en) 1991-06-19
DK0432367T3 (da) 1994-04-18
NO905413D0 (no) 1990-12-14
ES2047221T3 (es) 1994-02-16
DE59003693D1 (de) 1994-01-13
JPH0654329B2 (ja) 1994-07-20
FI906177A7 (fi) 1991-06-16
FI906177A0 (fi) 1990-12-14

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